Rocky 6132 Long Range Carbon Fiber Toe Western Men's Work Bootsts Leather Imported Rubber sole Shaft measures approximately 11.25" from arch Platform measures approximately 0.75 inches Boot opening measures approximately 12.5" around Goodyear Welt Construction Square Toe ASTM F2413 Protective Toe Classification ASTM F2413 Electrical Hazard Standard Double Row Welt Stitch